Summary of Significant Accounting Policies - Available-for-sale Investments (Details) - USD ($) $ in Thousands |
Sep. 30, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Adjusted Cost | $ 32,577 | $ 7,502 |
| Gross Unrealized Gains | 2 | 0 |
| Fair Value | 32,579 | 7,502 |
| Municipal Bonds and Notes | ||
| Debt Instrument [Line Items] | ||
| Adjusted Cost | 7,420 | 0 |
| Gross Unrealized Gains | 2 | 0 |
| Fair Value | 7,422 | 0 |
| Financial Institution Instruments | ||
| Debt Instrument [Line Items] | ||
| Adjusted Cost | 25,157 | 7,502 |
| Gross Unrealized Gains | 0 | 0 |
| Fair Value | $ 25,157 | $ 7,502 |
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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